trouble with Ubuntu 10.04 : the top menu bar disappeared

Hi

The title says it all .
This is annoying, because several features , like table of contents
generation, are only available through this top menu.
This is of course with Amaya 13.3.1 .

% uname -a
Linux jmv-desktop 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:24 UTC
2011 x86_64 x86_64 x86_64 GNU/Linux

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Jean-Marc Vanel
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